HP 50g Calculator - Operations with UnitsOnce a quantity with units is entered into the stack, it can be used in operations the same way the numbers used in the stack, except that quantities with units cannot be used as arguments of functions (say, SQ or SIN). Thus, attempting to calculate LN(10_m) will produce an error message: .For example, using CHOOSE boxes, to enter the product 12.5m × 5.2_yd and convert it to base units in RPN:
When multiplying or dividing quantities with
units in Algebraic mode, enclose each quantity along with its units
between parentheses (
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NOTE: The ANS(1) variable is available through the 'UNITS' menu and the keystroke combination
![]() ![]() Figure 2: Converting to base units in Algebraic mode ![]() |